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SN74LV245ATDWRG4 Datasheet(PDF) 4 Page - Texas Instruments |
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SN74LV245ATDWRG4 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 19 page www.ti.com Electrical Characteristics Switching Characteristics SN74LV245AT OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS SCLS605B – DECEMBER 2004 – REVISED AUGUST 2005 over recommended operating free-air temperature range (unless otherwise noted) TA = –40°C TA = 25°C to 85 °C PARAMETER TEST CONDITIONS VCC UNIT MIN TYP MAX MIN MAX IOH = –50 µA 4.5 V 4.4 4.5 4.4 VOH V IOH = –16 mA 4.5 V 3.8 3.8 IOL = 50 µA 4.5 V 0 0.1 0.1 VOL V IOL = 16 mA 4.5 V 0.55 0.55 II VI = 5.5 V or GND 0 to 5.5 V ±0.1 ±1 µA IOZ VO = VCC or GND 5.5 V ±0.25 ±2.5 µA ICC VI = VCC or GND, IO = 0 5.5 V 2 20 µA ∆I CC (1) One input at 3.4 V, Other inputs at VCC or GND 5.5 V 1.35 1.5 mA Ioff VI or VO = 0 to 5.5 V 0 0.5 5 µA Ci Control inputs VI = VCC or GND 5 V 3 pF Cio A or B port VO = VCC or GND 5 V 7 pF (1) This is the increase in supply current for each input at one of the specified TTL voltage levels, rather than 0 V or VCC. over recommended operating free-air temperature range, V CC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) TA = 25°C FROM TO LOAD PARAMETER MIN MAX UNIT (INPUT) (OUTPUT) CAPACITANCE MIN TYP MAX tPLH 3.1 4.9 7.7 1 8.5 A or B B or A CL = 15 pF ns tPHL 2.3 4.9 7.7 1 8.5 tPZH 3.5 9.4 13.8 1 15 OE A or B CL = 15 pF ns tPZL 3.7 9.4 13.8 1 15 tPHz 3.5 3.9 7.5 1 8 OE A or B CL = 15 pF ns tPLZ 2.6 3.9 7.5 1 8 tPLH 4.6 5.4 8.7 1 9.5 A or B B or A CL = 50 pF ns tPHL 4.7 5.4 8.7 1 9.5 tPZH 4.9 9.9 14.8 1 16 OE A or B CL = 50 pF ns tPZL 5.3 9.9 14.8 1 16 tPHZ 4.5 10.1 15.4 1 16.5 OE A or B CL = 50 pF ns tPLZ 4.1 10.1 15.4 1 16.5 tsk(o) CL = 50 pF 1 1 ns 4 |
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